private void checkBox1_CheckedChanged(object sender, EventArgs e)
{
double Height, Weight;
if (checkBox1.Checked)
{
if (double.TryParse(txtPatHeight.Text, out Height) == true && double.TryParse(txtPatWeight.Text, out Weight) == true)
{
txtpatBMI.Text = string.Format("{0:n2}", selectClass.calBMI(Convert.ToDouble(txtPatHeight.Text), Convert.ToDouble(txtPatWeight.Text)).ToString());
}
else
{
checkBox1.CheckState = 0;
MessageBox.Show("Either Height or Weight value is not numeric" + Environment.NewLine + "Please check the values", "Error - Onana HMS", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
else if (!checkBox1.Checked)
{
txtpatBMI.Text = "";
}
}